The SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB costs $0.6445/GB while the SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA) costs $0.1816/GB. SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA) offers 72% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB vs SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA) — Which Is Better Value?

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Specification Comparison

SpecSanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GBSanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA)
BrandSanDiskSanDisk
Capacity512GB512GB
$/GB$0.6445$0.1816
Price$329.99$92.99
RetailerNeweggNewegg
CategorySD CardsSD Cards
Subcategorysdmicro-sd

Price Across Retailers

SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB

Newegg$0.6445//GB
$329.99Buy

SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA)

Newegg$0.1816//GB
$92.99Buy
Newegg$0.1952//GB
$99.95Buy
Newegg$0.2529//GB
$129.50Buy

Which Should You Buy?

Based on current pricing data, the SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA) offers better value at $0.1816//GB compared to the SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB at $0.6445//GB — that's roughly 72% less per gigabyte.

The best deal for the SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA) is $92.99 at Newegg, while the SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB starts at $329.99 at Newegg.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB and SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA) product page for detailed specifications and price history.

Frequently Asked Questions

Is SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB or SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA) a better deal?

As of August 2026, SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA) offers better value at $0.1816//GB compared to SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB at $0.6445//GB. That is approximately 72% better value per gigabyte.

What is the price per GB of SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB?

The SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB is currently priced at $0.6445/GB ($329.99 for 512GB) at Newegg.

Where can I buy SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA) for the cheapest price?

The cheapest price for the SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA) is $92.99 at Newegg, which works out to $0.1816/GB.

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